sharp/test/unit/jxl.js
Lovell Fuller a7fa7014ef Add experimental support for JPEG-XL, requires libvips with libjxl
The prebuilt binaries do not include support for this format.
2022-12-13 21:55:17 +00:00

98 lines
2.5 KiB
JavaScript

'use strict';
const assert = require('assert');
const sharp = require('../../');
describe('JXL', () => {
it('called without options does not throw an error', () => {
assert.doesNotThrow(() => {
sharp().jxl();
});
});
it('valid distance does not throw an error', () => {
assert.doesNotThrow(() => {
sharp().jxl({ distance: 2.3 });
});
});
it('invalid distance should throw an error', () => {
assert.throws(() => {
sharp().jxl({ distance: 15.1 });
});
});
it('non-numeric distance should throw an error', () => {
assert.throws(() => {
sharp().jxl({ distance: 'fail' });
});
});
it('valid quality > 30 does not throw an error', () => {
const s = sharp();
assert.doesNotThrow(() => {
s.jxl({ quality: 80 });
});
assert.strictEqual(s.options.jxlDistance, 1.9);
});
it('valid quality < 30 does not throw an error', () => {
const s = sharp();
assert.doesNotThrow(() => {
s.jxl({ quality: 20 });
});
assert.strictEqual(s.options.jxlDistance, 9.066666666666666);
});
it('valid quality does not throw an error', () => {
assert.doesNotThrow(() => {
sharp().jxl({ quality: 80 });
});
});
it('invalid quality should throw an error', () => {
assert.throws(() => {
sharp().jxl({ quality: 101 });
});
});
it('non-numeric quality should throw an error', () => {
assert.throws(() => {
sharp().jxl({ quality: 'fail' });
});
});
it('valid decodingTier does not throw an error', () => {
assert.doesNotThrow(() => {
sharp().jxl({ decodingTier: 2 });
});
});
it('invalid decodingTier should throw an error', () => {
assert.throws(() => {
sharp().jxl({ decodingTier: 5 });
});
});
it('non-numeric decodingTier should throw an error', () => {
assert.throws(() => {
sharp().jxl({ decodingTier: 'fail' });
});
});
it('valid lossless does not throw an error', () => {
assert.doesNotThrow(() => {
sharp().jxl({ lossless: true });
});
});
it('non-boolean lossless should throw an error', () => {
assert.throws(() => {
sharp().jxl({ lossless: 'fail' });
});
});
it('valid effort does not throw an error', () => {
assert.doesNotThrow(() => {
sharp().jxl({ effort: 6 });
});
});
it('out of range effort should throw an error', () => {
assert.throws(() => {
sharp().jxl({ effort: 10 });
});
});
it('invalid effort should throw an error', () => {
assert.throws(() => {
sharp().jxl({ effort: 'fail' });
});
});
});